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Search: Posts Made By: rvbuilder2002
Forum: RV-12 Today, 05:07 PM
Replies: 43
Views: 5,517
Posted By rvbuilder2002
I guess it does depend on the painting skills...

I guess it does depend on the painting skills that a person has, but I just painted the doubler parts after complying with the S.B. on the RV-12iS prototype and it is not possible to tell that they...
Forum: RV General Discussion/News Today, 03:45 PM
Replies: 10
Views: 181
Posted By rvbuilder2002
You may indeed have them. There was a...

You may indeed have them.

There was a transitional period that the new nose wheel fairing used the old style brackets. But with the very limited information that you provided, I took my best shot...
Forum: RV-12 Today, 03:37 PM
Replies: 43
Views: 5,517
Posted By rvbuilder2002
Since you weren't using part numbers I assumed...

Since you weren't using part numbers I assumed you were talking about the doubler (patch) that goes over cracks on the antiservo tab (a different S.B.)

The doubler on the top and bottom of the...
Forum: RV-12 Today, 03:32 PM
Replies: 43
Views: 5,517
Posted By rvbuilder2002
Mel is correct.

Mel is correct.
Forum: RV General Discussion/News Today, 12:21 PM
Replies: 10
Views: 181
Posted By rvbuilder2002
It sounds like you have the original style (non...

It sounds like you have the original style (non pressure recovery) wheel fairings. They have been obsolete for many years, but I think are still available as replacement parts (but I don't know the...
Forum: RV-12 Today, 12:12 PM
Replies: 43
Views: 5,517
Posted By rvbuilder2002
There are a lot of different things that could...

There are a lot of different things that could induce the repetitive loads that could cause cracking (a toddler sitting for hours banging the stick against the stops :rolleyes:, etc.) Since Van's...
Forum: Reviews Yesterday, 09:08 PM
Replies: 12
Views: 861
Posted By rvbuilder2002
Great meeting you while you were here...

Great meeting you while you were here Bill.

Congrats on nearing the end of your build.
First time builder completing a QB RV-14A in 11 months is a great accomplishment.
Forum: RV General Discussion/News Yesterday, 08:58 PM
Replies: 1
Views: 153
Posted By rvbuilder2002
A decision for internal information as much as...

A decision for internal information as much as anything, since it actually is exactly the same as two HS-903's, but in one continuous piece.
Forum: RV-12 Yesterday, 08:52 PM
Replies: 8
Views: 5,618
Posted By rvbuilder2002
Jim, You really should let this go. With all of...

Jim,
You really should let this go.

With all of the time I have spent communicating with the North America Rotax distributor on your behalf (Kodiak), it stands to reason that they would have had a...
Forum: RV General Discussion/News Yesterday, 12:22 AM
Replies: 4
Views: 290
Posted By rvbuilder2002
They were spec'ed as different fittings because a...

They were spec'ed as different fittings because a different type of high pressure line was also specified.
If you chose to modify, then you have to use parts that are compatible with the parts your...
Forum: RV-12 02-17-2018, 08:42 PM
Replies: 12
Views: 1,253
Posted By rvbuilder2002
The loctite was originally specified because it...

The loctite was originally specified because it was something that was needed during the engine installation, and it would be needed for maintaining the engine in the future.

It works well if the...
Forum: RV-7/7A 02-17-2018, 02:27 PM
Replies: 6
Views: 1,173
Posted By rvbuilder2002
I agree. Totally (more characters to meet the...

I agree.

Totally (more characters to meet the minimum requirement):rolleyes:
Forum: RV General Discussion/News 02-17-2018, 02:24 PM
Replies: 5
Views: 394
Posted By rvbuilder2002
Often times when forming a shop head against thin...

Often times when forming a shop head against thin material the localized strain induced against the thin material causes it to pucker sightly.
The material is usually still in contact around the...
Forum: RV-14 02-17-2018, 11:56 AM
Replies: 9
Views: 661
Posted By rvbuilder2002
Because of your VAF post, and because an...

Because of your VAF post, and because an alternate part was recently introduced, this was looked at by engineering.

The rod end bearing used at the bottom position of all RV models has always been...
Forum: RV-10 02-17-2018, 11:48 AM
Replies: 19
Views: 2,304
Posted By rvbuilder2002
Your suspicions are possible. Undesirable...

Your suspicions are possible.

Undesirable airflow entering the cockpit, besides effecting cabin heat performance, can bring engine exhaust with it as well.

A possibly relevant post from another...
Forum: RV-12 02-16-2018, 01:04 PM
Replies: 43
Views: 5,517
Posted By rvbuilder2002
Not intended as a hand slap, but I don't think...

Not intended as a hand slap, but I don't think that has anything to do with it.

The load cycle that will cause the most flex in the structure and have an influence on causing the fatigue cracks to...
Forum: RV-9/9A 02-16-2018, 10:26 AM
Replies: 4
Views: 262
Posted By rvbuilder2002
There are 6 different iterations of the...

There are 6 different iterations of the gascolator produced by Usher Enterprises and sold by Van's over the years.
GAS-1 through GAS-6

As shown by the thread Mike linked to, it is important to...
Forum: RV-12 02-16-2018, 09:56 AM
Replies: 43
Views: 5,517
Posted By rvbuilder2002
Answers to some of the questions.....

The first discovered instance of cracks was by maintainers of an S-LSA operated by a flight school.

Follow-on investigation found cracks in two of Van's Aircraft's demonstrator RV-12's.

The...
Forum: RV General Discussion/News 02-16-2018, 09:13 AM
Replies: 1
Views: 146
Posted By rvbuilder2002
Wind direction and speed calculations require...

Wind direction and speed calculations require accurate magnetic heading info.

If the mag inclination and calibration haven't been done for the D-180 it would be unable to do a valid computation.
Forum: RV Ongoing Maintenance Issues 02-14-2018, 09:05 PM
Replies: 21
Views: 1,883
Posted By rvbuilder2002
I'm pretty sure they were an after market part...

I'm pretty sure they were an after market part that got sold through Van's and the maker quit making them a long time ago.

[ed. Thank you Scott. I suspected that might be the case. v/r,dr]
Forum: RV General Discussion/News 02-14-2018, 04:21 PM
Replies: 15
Views: 2,211
Posted By rvbuilder2002
It all depends on the vintage of the parts that...

It all depends on the vintage of the parts that someone has....

I think Cleveland, Safeair, and perhaps others originally offered a rivet on static port that had a flush profile. After enough users...
Forum: RV General Discussion/News 02-14-2018, 04:16 PM
Replies: 15
Views: 2,211
Posted By rvbuilder2002
Must be. I hadn't heard anything about it. I...

Must be.
I hadn't heard anything about it.
I imagine it is a vendor produced part being offered as an (additional) $30 option for those that don't want to use the blind rivet supplied in the $19...
Forum: RV-14 02-13-2018, 01:46 PM
Replies: 20
Views: 997
Posted By rvbuilder2002
Interesting I have never seen that video. I...

Interesting

I have never seen that video.

I have also never seen any standard practices document that specified using different angles of dies for male and female halves or top vs bottom sheet.

I...
Forum: RV-14 02-13-2018, 11:26 AM
Replies: 19
Views: 1,276
Posted By rvbuilder2002
If by they you mean the vane type stall...

If by they you mean the vane type stall warning?
Yes, they can.

The way they work is that the switch trips when the stagnation point on the leading edge of the wing switches from hitting the leading...
Forum: RV-14 02-13-2018, 09:14 AM
Replies: 20
Views: 997
Posted By rvbuilder2002
If you computer model dimples and assume that...

If you computer model dimples and assume that they are formed perfectly by dimple dies, you can see that there is a difference in how they will nest, depending on what the skin thickness is.

But it...
Forum: RV-14 02-12-2018, 11:33 PM
Replies: 20
Views: 997
Posted By rvbuilder2002
Technique used can vary the depth very slightly...

Technique used can vary the depth very slightly but only by about .001 or so one way or the other.

Not a factor when countersinking for a dimple, but just one more of the reasons that .007 is the...
Forum: RV-14 02-12-2018, 04:32 PM
Replies: 20
Views: 997
Posted By rvbuilder2002
Every microstop countersink cage I have ever used...

Every microstop countersink cage I have ever used was indexed in single thousandths of an inch per each tooth rotation.

They usually have a .001" marked on it somewhere.....

So if you start from a...
Forum: RV-14 02-12-2018, 10:09 AM
Replies: 20
Views: 997
Posted By rvbuilder2002
Not necessarily...... It depends on where you...

Not necessarily...... It depends on where you are measuring.

Section 5 gives a specific recommendation for countersink depth for a dimple regardless of the thickness of the skin that is...
Forum: RV-6/6A 02-12-2018, 12:02 AM
Replies: 9
Views: 862
Posted By rvbuilder2002
Whether you have one of their starters or not,...

Whether you have one of their starters or not, the Skytec starter performance troubleshooting guide (available HERE (http://skytec.aero/starter-performance-issues/)) might be helpful.
Forum: RV-12 02-11-2018, 08:44 PM
Replies: 7
Views: 829
Posted By rvbuilder2002
The RV-12 exhaust system is purposefully designed...

The RV-12 exhaust system is purposefully designed to assure enough access clearance to allow using a simple and inexpensive strap type filter wrench similar to...
Forum: RV General Discussion/News 02-09-2018, 10:40 PM
Replies: 17
Views: 1,672
Posted By rvbuilder2002
Yes, those seven holes are the ones being talked...

Yes, those seven holes are the ones being talked about in the second sentence of Step 2.
I agree that it doesn't say aligned with the fuel tank attach nutplates, and that probably would make it a...
Forum: RV General Discussion/News 02-09-2018, 03:24 PM
Replies: 17
Views: 1,672
Posted By rvbuilder2002
I could be wrong, but I think you are not...

I could be wrong, but I think you are not understanding which holes it is talking about, therefore you think it is written incorrectly.

This is two different sentences with two separate work...
Forum: RV General Discussion/News 02-09-2018, 02:33 PM
Replies: 23
Views: 2,428
Posted By rvbuilder2002
Now that you mention it, it might be Jesse that i...

Now that you mention it, it might be Jesse that i was thinking of......
Forum: RV General Discussion/News 02-09-2018, 01:12 PM
Replies: 23
Views: 2,428
Posted By rvbuilder2002
I think in the past, SteinAir has been willing to...

I think in the past, SteinAir has been willing to act as a middle man / broker for this type of item, for a small fee (you would need to check and see if they still do that).

Seems like a very good...
Forum: RV General Discussion/News 02-09-2018, 01:05 PM
Replies: 17
Views: 1,672
Posted By rvbuilder2002
Not meant as an excuse....... just a (hopefully)...

Not meant as an excuse....... just a (hopefully) understandable explanation.

Technical writing is a complex avocation.
Why?
Because no two people think exactly alike.

That means the best job that...
Forum: RV-10 02-09-2018, 12:45 PM
Replies: 45
Views: 3,178
Posted By rvbuilder2002
I still haven't seen a post (though I might have...

I still haven't seen a post (though I might have missed it) regarding you spending any effort on evaluating outside air leaking into the cabin.

I think your heat system is probably working as well...
Forum: RV General Discussion/News 02-09-2018, 11:57 AM
Replies: 17
Views: 1,672
Posted By rvbuilder2002
In most situations, when something is hidden for...

In most situations, when something is hidden for clarity, the page has a comment mentioning that is the case.

If the plans explained the why of every step, the plans set would be twice as thick as...
Forum: RV Ongoing Maintenance Issues 02-08-2018, 09:42 AM
Replies: 12
Views: 985
Posted By rvbuilder2002
Same experience as Walt. All of the Van's...

Same experience as Walt.

All of the Van's demonstrator aircraft have silicone gaskets (the same ones available through the accessories catalog). Some of them have been installed for 18+ years

They...
Forum: RV General Discussion/News 02-08-2018, 09:34 AM
Replies: 37
Views: 5,894
Posted By rvbuilder2002
I'm curious as to the purpose of the Experimental...

I'm curious as to the purpose of the Experimental placard on the panel?
Forum: RV General Discussion/News 02-07-2018, 09:31 AM
Replies: 8
Views: 1,244
Posted By rvbuilder2002
I can't help but smile and shake my head when I...

I can't help but smile and shake my head when I read something like this, since if you believe what is written here in the forums, the RV-8 is the most difficult of the 3 when it comes to making nice...
Forum: RV-14 02-06-2018, 03:13 PM
Replies: 7
Views: 441
Posted By rvbuilder2002
Thanks for pointing out an error that hadn't been...

Thanks for pointing out an error that hadn't been noted previously.
With some thing as complicated and sequence sensitive as building an RV-14,
there is bound to be an error occasionally (but they...
Forum: RV General Discussion/News 02-05-2018, 04:27 PM
Replies: 8
Views: 939
Posted By rvbuilder2002
I'm not sure why someone here in the forum could...

I'm not sure why someone here in the forum could give you better info than someone in the office.......

But what you were told is correct.

The RV-8A demonstrator is not currently flyable but you...
Forum: RV-14 02-05-2018, 04:20 PM
Replies: 7
Views: 2,018
Posted By rvbuilder2002
You can always try inserting the specified rivet...

You can always try inserting the specified rivet and see if it will go into the hole.
If not, then the hole is not to final size.
In this case, I believe all of the holes are punched .094 for 3/32...
Forum: RV-14 02-05-2018, 11:41 AM
Replies: 19
Views: 1,495
Posted By rvbuilder2002
The plans try and specify if a specific...

The plans try and specify if a specific installation direction of an AN470 rivet is required.
If it doesn't say, it is builders choice.
As a standard practice, it is good to orient the rivet so that...
Forum: RV-14 02-04-2018, 11:32 AM
Replies: 11
Views: 1,120
Posted By rvbuilder2002
An oil quick drain is a builders choice option....

An oil quick drain is a builders choice option. It is not included in the FWF kit (or detailed in the plans).
Forum: RV-14 02-03-2018, 09:28 PM
Replies: 6
Views: 623
Posted By rvbuilder2002
A CS4-4 would be fine for that.

A CS4-4 would be fine for that.
Forum: RV-14 02-03-2018, 03:11 PM
Replies: 6
Views: 623
Posted By rvbuilder2002
The ideal hole size for an MK319 is #34, so a #30...

The ideal hole size for an MK319 is #34, so a #30 hole from a 426AD4 rivet is too big. If it was dimpled after drilling, or over sized from rivet removal, the situation would be even worse.

A flush...
Forum: RV General Discussion/News 02-03-2018, 12:57 PM
Replies: 20
Views: 2,157
Posted By rvbuilder2002
Properly designed (and fully understood) support...

Properly designed (and fully understood) support systems are critical.

I am aware of an RV (I think it is likely that the majority of it was contract built) that had a power problem away from...
Forum: RV-14 02-02-2018, 04:44 PM
Replies: 11
Views: 1,120
Posted By rvbuilder2002
Nothing wrong with camlocks if that's what people...

Nothing wrong with camlocks if that's what people want, but I can remove the cowls on any of our airplanes (with the standard kit supplied hinges) in well under 10 minutes..........
Forum: RV Building Tips/Techniques 02-02-2018, 09:50 AM
Replies: 9
Views: 733
Posted By rvbuilder2002
If what you are changing from is the originally...

If what you are changing from is the originally supplied, flat sided wheel pants with the bump on the inboard side for the brake assembly, you will have to change all of the mounting brackets to use...
Forum: RV-14 02-02-2018, 09:33 AM
Replies: 11
Views: 1,120
Posted By rvbuilder2002
The standard models of angle valve engines...

The standard models of angle valve engines recommended for the RV-14 have an oil drain port on the side edge of the sump in the back.
This can be seen on DWG 43-05. It is the unlabeled fitting port...
Forum: RV General Discussion/News 02-01-2018, 03:36 PM
Replies: 24
Views: 9,344
Posted By rvbuilder2002
No it doesn't. It provides a by-pass path around...

No it doesn't.

It provides a by-pass path around the cooler, but it doesn't shut off the path through the cooler.
Forum: RV-14 02-01-2018, 01:27 PM
Replies: 11
Views: 1,120
Posted By rvbuilder2002
Both the RV-14 and 14A prototypes have oil quick...

Both the RV-14 and 14A prototypes have oil quick drain valves installed.

They are used for convenience only and not to do oil changes without removing the cowl (full engine compartment inspections...
Forum: RV-14 02-01-2018, 09:29 AM
Replies: 4
Views: 545
Posted By rvbuilder2002
The RV-14 uses machined UHMW cable guides mounted...

The RV-14 uses machined UHMW cable guides mounted in the side panel of the tunnel.

The holes mentioned are intended for clamps to support any systems cables/wires at the mid point of the tunnel.
Forum: RV General Discussion/News 01-31-2018, 07:57 PM
Replies: 99
Views: 9,448
Posted By rvbuilder2002
Edited

Edited above for clarity. I misassumed that what I meant was obvious.
Forum: RV General Discussion/News 01-31-2018, 05:01 PM
Replies: 99
Views: 9,448
Posted By rvbuilder2002
In my case both instances were with a 4 point...

In my case both instances were with a 4 point harness. That is just one of the reasons I am a big advocate of 5 point harnesses in RV's

Adding the 5th point and adjusting its belt properly pretty...
Forum: Glass Cockpit 01-31-2018, 09:37 AM
Replies: 4
Views: 550
Posted By rvbuilder2002
If this gets any traction I will be talking with...

If this gets any traction I will be talking with Rob and making my vote that it should be user configurable (I am not interested in having the depiction on my screen).

It seems like you would get...
Forum: RV General Discussion/News 01-30-2018, 04:24 PM
Replies: 7
Views: 1,257
Posted By rvbuilder2002
The HS spars likely had a slight bow in them even...

The HS spars likely had a slight bow in them even before the were put into the crate.
When you bend a long flange as on the spars, there is some stretching of material to the outside of the bend from...
Forum: RV General Discussion/News 01-30-2018, 11:58 AM
Replies: 99
Views: 9,448
Posted By rvbuilder2002
Regarding smooth air......

The two worst turbulence events I have had in my flying career (both while flying RV's at high speed cruise and bad enough to cause major head impact on the canopy even with very tight belts) were...
Forum: RV-10 01-27-2018, 07:02 PM
Replies: 7
Views: 532
Posted By rvbuilder2002
The factory recommended baggage area weight...

The factory recommended baggage area weight limits are typically because of structural design.
Confirming that the airplane stays within CG limits is the pilots responsibility.
Forum: RV-10 01-27-2018, 01:09 PM
Replies: 7
Views: 532
Posted By rvbuilder2002
The 150 lbs was a typo. Both of Vans...

The 150 lbs was a typo.
Both of Vans demonstrators have placards installed that list the limit as 100 lbs.
Forum: RV-10 01-26-2018, 04:28 PM
Replies: 62
Views: 7,552
Posted By rvbuilder2002
The existence of an aerobatic gross weight is...

The existence of an aerobatic gross weight is provided in the W&B data for all of the RV models that are approved for aero.
The reason for my post was that there are a lot of RV's owned by people...
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